Convert 1 zepto to atto

1 z (zepto) is equal to 0.0009999999999999998 a (atto). To convert from zepto to atto, multiply by 0.001 or divide by 1,000.

• 1 z × 0.001 = 0.001 a
• 1 z ÷ 1000 = 0.001 a